Annotation of src/usr.bin/tmux/notify.c, Revision 1.5
1.5 ! nicm 1: /* $OpenBSD: notify.c,v 1.4 2012/09/03 09:32:38 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2012 George Nachman <tmux@georgester.com>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
1.2 nicm 19: #include <sys/types.h>
20: #include <sys/queue.h>
21:
22: #include <stdlib.h>
23:
1.1 nicm 24: #include "tmux.h"
25:
1.2 nicm 26: enum notify_type {
27: NOTIFY_WINDOW_LAYOUT_CHANGED,
28: NOTIFY_WINDOW_UNLINKED,
29: NOTIFY_WINDOW_LINKED,
30: NOTIFY_WINDOW_RENAMED,
31: NOTIFY_ATTACHED_SESSION_CHANGED,
32: NOTIFY_SESSION_RENAMED,
33: NOTIFY_SESSION_CREATED,
34: NOTIFY_SESSION_CLOSED
35: };
36:
37: struct notify_entry {
38: enum notify_type type;
39:
40: struct client *client;
41: struct session *session;
42: struct window *window;
43:
44: TAILQ_ENTRY(notify_entry) entry;
45: };
46: TAILQ_HEAD(, notify_entry) notify_queue = TAILQ_HEAD_INITIALIZER(notify_queue);
47: int notify_enabled = 1;
48:
49: void notify_drain(void);
50: void notify_add(enum notify_type, struct client *, struct session *,
51: struct window *);
52:
53: void
54: notify_enable(void)
55: {
56: notify_enabled = 1;
57: notify_drain();
58: }
59:
60: void
61: notify_disable(void)
62: {
63: notify_enabled = 0;
64: }
65:
66: void
67: notify_add(enum notify_type type, struct client *c, struct session *s,
68: struct window *w)
69: {
70: struct notify_entry *ne;
71:
72: ne = xcalloc(1, sizeof *ne);
73: ne->type = type;
74: ne->client = c;
75: ne->session = s;
76: ne->window = w;
77: TAILQ_INSERT_TAIL(¬ify_queue, ne, entry);
78:
79: if (c != NULL)
80: c->references++;
81: if (s != NULL)
82: s->references++;
83: if (w != NULL)
84: w->references++;
85: }
86:
87: void
88: notify_drain(void)
89: {
90: struct notify_entry *ne, *ne1;
91:
92: if (!notify_enabled)
93: return;
94:
95: TAILQ_FOREACH_SAFE(ne, ¬ify_queue, entry, ne1) {
96: switch (ne->type) {
97: case NOTIFY_WINDOW_LAYOUT_CHANGED:
1.4 nicm 98: control_notify_window_layout_changed(ne->window);
1.2 nicm 99: break;
100: case NOTIFY_WINDOW_UNLINKED:
1.4 nicm 101: control_notify_window_unlinked(ne->session, ne->window);
1.2 nicm 102: break;
103: case NOTIFY_WINDOW_LINKED:
1.4 nicm 104: control_notify_window_linked(ne->session, ne->window);
1.2 nicm 105: break;
106: case NOTIFY_WINDOW_RENAMED:
1.4 nicm 107: control_notify_window_renamed(ne->window);
1.2 nicm 108: break;
109: case NOTIFY_ATTACHED_SESSION_CHANGED:
1.4 nicm 110: control_notify_attached_session_changed(ne->client);
1.2 nicm 111: break;
112: case NOTIFY_SESSION_RENAMED:
1.4 nicm 113: control_notify_session_renamed(ne->session);
1.2 nicm 114: break;
115: case NOTIFY_SESSION_CREATED:
1.4 nicm 116: control_notify_session_created(ne->session);
1.2 nicm 117: break;
118: case NOTIFY_SESSION_CLOSED:
1.4 nicm 119: control_notify_session_close(ne->session);
1.2 nicm 120: break;
121: }
122:
123: if (ne->client != NULL)
124: ne->client->references--;
125: if (ne->session != NULL)
126: ne->session->references--;
127: if (ne->window != NULL)
1.3 nicm 128: window_remove_ref(ne->window);
129:
1.2 nicm 130: TAILQ_REMOVE(¬ify_queue, ne, entry);
131: free(ne);
1.5 ! nicm 132: }
! 133: }
! 134:
! 135: void
! 136: notify_input(struct window_pane *wp, struct evbuffer *input)
! 137: {
! 138: struct client *c;
! 139: u_int i;
! 140:
! 141: /*
! 142: * notify_input() is not queued and only does anything when
! 143: * notifications are enabled.
! 144: */
! 145: if (!notify_enabled)
! 146: return;
! 147:
! 148: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
! 149: c = ARRAY_ITEM(&clients, i);
! 150: if (c != NULL && (c->flags & CLIENT_CONTROL))
! 151: control_notify_input(c, wp, input);
1.2 nicm 152: }
153: }
154:
1.1 nicm 155: void
1.2 nicm 156: notify_window_layout_changed(struct window *w)
1.1 nicm 157: {
1.2 nicm 158: notify_add(NOTIFY_WINDOW_LAYOUT_CHANGED, NULL, NULL, w);
159: notify_drain();
1.1 nicm 160: }
161:
162: void
1.2 nicm 163: notify_window_unlinked(struct session *s, struct window *w)
1.1 nicm 164: {
1.2 nicm 165: notify_add(NOTIFY_WINDOW_UNLINKED, NULL, s, w);
166: notify_drain();
1.1 nicm 167: }
168:
169: void
1.2 nicm 170: notify_window_linked(struct session *s, struct window *w)
1.1 nicm 171: {
1.2 nicm 172: notify_add(NOTIFY_WINDOW_LINKED, NULL, s, w);
173: notify_drain();
1.1 nicm 174: }
175:
176: void
1.2 nicm 177: notify_window_renamed(struct window *w)
1.1 nicm 178: {
1.2 nicm 179: notify_add(NOTIFY_WINDOW_RENAMED, NULL, NULL, w);
180: notify_drain();
1.1 nicm 181: }
182:
183: void
1.2 nicm 184: notify_attached_session_changed(struct client *c)
1.1 nicm 185: {
1.2 nicm 186: notify_add(NOTIFY_ATTACHED_SESSION_CHANGED, c, NULL, NULL);
187: notify_drain();
1.1 nicm 188: }
189:
190: void
1.2 nicm 191: notify_session_renamed(struct session *s)
1.1 nicm 192: {
1.2 nicm 193: notify_add(NOTIFY_SESSION_RENAMED, NULL, s, NULL);
194: notify_drain();
1.1 nicm 195: }
196:
197: void
1.2 nicm 198: notify_session_created(struct session *s)
1.1 nicm 199: {
1.2 nicm 200: notify_add(NOTIFY_SESSION_CREATED, NULL, s, NULL);
201: notify_drain();
1.1 nicm 202: }
203:
204: void
1.2 nicm 205: notify_session_closed(struct session *s)
1.1 nicm 206: {
1.2 nicm 207: notify_add(NOTIFY_SESSION_CLOSED, NULL, s, NULL);
208: notify_drain();
1.1 nicm 209: }
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